[sdiy] Multi-output comb filter?

cheater00 cheater00 cheater00 at gmail.com
Thu May 24 11:37:12 CEST 2018


Yeah, I know those, just wondering what the connection might be.

On Wed, 23 May 2018 12:15 Vladimir Pantelic, <vladoman at gmail.com> wrote:

> https://en.m.wikipedia.org/wiki/Walsh_function
>
>
>
> On Wed, May 23, 2018, 12:03 cheater00 cheater00 <cheater00 at gmail.com>
> wrote:
>
>> Walsh functions? I'm missing the reference, sorry
>>
>> On Wed, 23 May 2018 10:23 Neil Johnson, <neil.johnson71 at gmail.com> wrote:
>>
>>> cheater00 cheater00 wrote:
>>> > I like to faff around, Neil. Don't spoil my fun!
>>> > Besides, unlike FFT this uses no multiplication or exponentiation, just
>>> > integer addition, and each thing being added is just added 0, 1, or -1
>>> > times. I'd say that's a pretty big win, wouldn't you?
>>>
>>> Sounds like Walsh functions all over again.
>>>
>>> Neil
>>> --
>>> http://www.njohnson.co.uk
>>>
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